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-**************************************************************************
-** History
-**
-** REV# DATE NAME DESCRIPTION
-** 1.00.00.00 3/31/2004 Erich Chen First release
-** 1.10.00.04 7/28/2004 Erich Chen modify for ioctl
-** 1.10.00.06 8/28/2004 Erich Chen modify for 2.6.x
-** 1.10.00.08 9/28/2004 Erich Chen modify for x86_64
-** 1.10.00.10 10/10/2004 Erich Chen bug fix for SMP & ioctl
-** 1.20.00.00 11/29/2004 Erich Chen bug fix with arcmsr_bus_reset when PHY error
-** 1.20.00.02 12/09/2004 Erich Chen bug fix with over 2T bytes RAID Volume
-** 1.20.00.04 1/09/2005 Erich Chen fits for Debian linux kernel version 2.2.xx
-** 1.20.00.05 2/20/2005 Erich Chen cleanly as look like a Linux driver at 2.6.x
-** thanks for peoples kindness comment
-** Kornel Wieliczek
-** Christoph Hellwig
-** Adrian Bunk
-** Andrew Morton
-** Christoph Hellwig
-** James Bottomley
-** Arjan van de Ven
-** 1.20.00.06 3/12/2005 Erich Chen fix with arcmsr_pci_unmap_dma "unsigned long" cast,
-** modify PCCB POOL allocated by "dma_alloc_coherent"
-** (Kornel Wieliczek's comment)
-** 1.20.00.07 3/23/2005 Erich Chen bug fix with arcmsr_scsi_host_template_init
-** occur segmentation fault,
-** if RAID adapter does not on PCI slot
-** and modprobe/rmmod this driver twice.
-** bug fix enormous stack usage (Adrian Bunk's comment)
-** 1.20.00.08 6/23/2005 Erich Chen bug fix with abort command,
-** in case of heavy loading when sata cable
-** working on low quality connection
-** 1.20.00.09 9/12/2005 Erich Chen bug fix with abort command handling, firmware version check
-** and firmware update notify for hardware bug fix
-** 1.20.00.10 9/23/2005 Erich Chen enhance sysfs function for change driver's max tag Q number.
-** add DMA_64BIT_MASK for backward compatible with all 2.6.x
-** add some useful message for abort command
-** add ioctl code 'ARCMSR_IOCTL_FLUSH_ADAPTER_CACHE'
-** customer can send this command for sync raid volume data
-** 1.20.00.11 9/29/2005 Erich Chen by comment of Arjan van de Ven fix incorrect msleep redefine
-** cast off sizeof(dma_addr_t) condition for 64bit pci_set_dma_mask
-** 1.20.00.12 9/30/2005 Erich Chen bug fix with 64bit platform's ccbs using if over 4G system memory
-** change 64bit pci_set_consistent_dma_mask into 32bit
-** increcct adapter count if adapter initialize fail.
-** miss edit at arcmsr_build_ccb....
-** psge += sizeof(struct _SG64ENTRY *) =>
-** psge += sizeof(struct _SG64ENTRY)
-** 64 bits sg entry would be incorrectly calculated
-** thanks Kornel Wieliczek give me kindly notify
-** and detail description
-** 1.20.00.13 11/15/2005 Erich Chen scheduling pending ccb with FIFO
-** change the architecture of arcmsr command queue list
-** for linux standard list
-** enable usage of pci message signal interrupt
-** follow Randy.Danlup kindness suggestion cleanup this code
-** 1.20.00.14 05/02/2007 Erich Chen & Nick Cheng
-** 1.implement PCI-Express error recovery function and AER capability
-** 2.implement the selection of ARCMSR_MAX_XFER_SECTORS_B=4096
-** if firmware version is newer than 1.42
-** 3.modify arcmsr_iop_reset to improve the ability
-** 4.modify the ISR, arcmsr_interrupt routine,to prevent the
-** inconsistency with sg_mod driver if application directly calls
-** the arcmsr driver w/o passing through scsi mid layer
-** specially thanks to Yanmin Zhang's openhanded help about AER
-** 1.20.00.15 08/30/2007 Erich Chen & Nick Cheng
-** 1. support ARC1200/1201/1202 SATA RAID adapter, which is named
-** ACB_ADAPTER_TYPE_B
-** 2. modify the arcmsr_pci_slot_reset function
-** 3. modify the arcmsr_pci_ers_disconnect_forepart function
-** 4. modify the arcmsr_pci_ers_need_reset_forepart function
-** 1.20.00.15 09/27/2007 Erich Chen & Nick Cheng
-** 1. add arcmsr_enable_eoi_mode() on adapter Type B
-** 2. add readl(reg->iop2drv_doorbell_reg) in arcmsr_handle_hbb_isr()
-** in case of the doorbell interrupt clearance is cached
-** 1.20.00.15 10/01/2007 Erich Chen & Nick Cheng
-** 1. modify acb->devstate[i][j]
-** as ARECA_RAID_GOOD instead of
-** ARECA_RAID_GONE in arcmsr_alloc_ccb_pool
-** 1.20.00.15 11/06/2007 Erich Chen & Nick Cheng
-** 1. add conditional declaration for
-** arcmsr_pci_error_detected() and
-** arcmsr_pci_slot_reset
-** 1.20.00.15 11/23/2007 Erich Chen & Nick Cheng
-** 1.check if the sg list member number
-** exceeds arcmsr default limit in arcmsr_build_ccb()
-** 2.change the returned value type of arcmsr_build_ccb()
-** from "void" to "int"
-** 3.add the conditional check if arcmsr_build_ccb()
-** returns FAILED
-** 1.20.00.15 12/04/2007 Erich Chen & Nick Cheng
-** 1. modify arcmsr_drain_donequeue() to ignore unknown
-** command and let kernel process command timeout.
-** This could handle IO request violating max. segments
-** while Linux XFS over DM-CRYPT.
-** Thanks to Milan Broz's comments <mbroz@redhat.com>
-** 1.20.00.15 12/24/2007 Erich Chen & Nick Cheng
-** 1.fix the portability problems
-** 2.fix type B where we should _not_ iounmap() acb->pmu;
-** it's not ioremapped.
-** 3.add return -ENOMEM if ioremap() fails
-** 4.transfer IS_SG64_ADDR w/ cpu_to_le32()
-** in arcmsr_build_ccb
-** 5. modify acb->devstate[i][j] as ARECA_RAID_GONE instead of
-** ARECA_RAID_GOOD in arcmsr_alloc_ccb_pool()
-** 6.fix arcmsr_cdb->Context as (unsigned long)arcmsr_cdb
-** 7.add the checking state of
-** (outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT) == 0
-** in arcmsr_handle_hba_isr
-** 8.replace pci_alloc_consistent()/pci_free_consistent() with kmalloc()/kfree() in arcmsr_iop_message_xfer()
-** 9. fix the release of dma memory for type B in arcmsr_free_ccb_pool()
-** 10.fix the arcmsr_polling_hbb_ccbdone()
-** 1.20.00.15 02/27/2008 Erich Chen & Nick Cheng
-** 1.arcmsr_iop_message_xfer() is called from atomic context under the
-** queuecommand scsi_host_template handler. James Bottomley pointed out
-** that the current GFP_KERNEL|GFP_DMA flags are wrong: firstly we are in
-** atomic context, secondly this memory is not used for DMA.
-** Also removed some unneeded casts. Thanks to Daniel Drake <dsd@gentoo.org>
-**************************************************************************